#include "stm32f4xx.h"
#include "led_bsp.h"
#include "usart_bsp.h"
int main(void)
{
	USART_BSP_Init();
	LED_BSP_Config();
	
	LED0_OFF();
	LED1_ON();
	LED2_OFF();

	while(1)
	{
		printf("Hello world\r\n");
	}	
	return 0;
}